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ARM: imx6: DHCOM i.MX6 PDK: spl: Add eMMC initialization to SPL code

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In order for 'bmode emmc' to work, the eMMC needs to be initialized in the
SPL. This change initializes the eMMC as BOOT_DEVICE_MMC1 (index=0).

Signed-off-by: Claudius Heine <ch@denx.de>
This commit is contained in:
Claudius Heine 2019-10-29 13:17:56 +01:00 committed by Stefano Babic
parent cd71c7597a
commit 5c47bf7195
1 changed files with 26 additions and 0 deletions
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26
board/dhelectronics/dh_imx6/dh_imx6_spl.c
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@ -476,6 +476,32 @@ static void setup_iomux_uart(void)
SETUP_IOMUX_PADS(uart1_pads);
}
#ifdef CONFIG_FSL_USDHC
struct fsl_esdhc_cfg usdhc_cfg[1] = {
{USDHC4_BASE_ADDR},
};
int board_mmc_get_env_dev(int devno)
{
return devno - 1;
}
int board_mmc_getcd(struct mmc *mmc)
{
return 1; /* eMMC/uSDHC4 is always present */
}
int board_mmc_init(bd_t *bis)
{
SETUP_IOMUX_PADS(usdhc4_pads);
usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
usdhc_cfg[0].max_bus_width = 8;
return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
#endif
/* USB */
static iomux_v3_cfg_t const usb_pads[] = {
IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)),